Evaluation of uncertainty in beam quality measurement

tian ying-hua; ye yi-dong; xiang ru-jian; guan you-guang; zhou wen-chao

Volume 20 Issue 07

Jul. 2008

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Abstract

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(07): 0-

lou li-fei, yang yin-tang, chai chang-chun, et al. Total dose radiation effect on PZT ferroelectric material[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

tian ying-hua, ye yi-dong, xiang ru-jian, et al. Evaluation of uncertainty in beam quality measurement[J]. High Power Laser and Particle Beams, 2008, 20.

lou li-fei, yang yin-tang, chai chang-chun, et al. Total dose radiation effect on PZT ferroelectric material[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

tian ying-hua, ye yi-dong, xiang ru-jian, et al. Evaluation of uncertainty in beam quality measurement[J]. High Power Laser and Particle Beams, 2008, 20.

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Evaluation of uncertainty in beam quality measurement

1.
Institute of Applied Electronics,CAEP,P.O.Box 919-1012,Mianyang 621900,China

Publish Date: 2008-07-15

Abstract

Abstract

The definition and measuring principle of laser beam quality foctor are introduced.The uncertainty sources of beam quality are analyzed. The standard uncertainty and combined standard uncertainty are calculated based on some experimental data.Specific methods are put forward for reducing standard uncertainty of beam quality measurement. The definition method of beam diameter must be uniformed.Invariant measurement condition and high accuracy of laser beam quality measurement system are important for reducing standard uncertainty of beam quality measurement.
- laser,
- beam quality factor,
- measurement,
- standard uncertainty

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